Space Shuttle Discovery heads home from final mission

Discovery, the world's most traveled spaceship, left the international space station on Monday for the last time. Station skipper Scott Kelly rang his ship's bell in true naval tradition, as the shuttle backed away on the final leg of its final journey. "Discovery departing," he called out. Discovery is due back to Earth on Wednesday. It's being retired after touchdown and sent to the Smithsonian Institution for display. NASA's two other shuttles will join Discovery in retirement after their upcoming missions. More

(Source: The Washington Post - Mar 9)